D

FTTx Filters

Typical design specifications (valid over operating temperature). Contact Bookham with your requirements.

Transmision Parameters

1550LPF

1310SPF

1490BPF

1310/1490SPF

Unit

Passband

1538-1566

1260-1360

1450-1500

1260-1490

nm

0.15

0.3

0.3

0.3

dB

PDL

0.1

0.1

0.1

0.1

dB

Reflect Band Isolation

25

25

25

25

dB

Angle of Incidence

custom

custom

custom

custom

deg.

Temperature Coefficient

3

3

3

3

pm/C

Reflection Parameters

1260-1500

1525-1570

1260-1360

&1540-1560

1540-1560

nm

0.1

0.1

0.1

0.1

dB

PDL

0.1

0.1

0.1

0.1

dB

Reflection Isolation

20

15

15

15

dB

Chip Parameters

Operating Temperature

°C

Backside Wedge Angle

deg

mm

LPF = Long Pass Filter

SPF = Short Pass Filter

BPF = Band Pass Filter

Dimensions (L x W x T)

Insertion Loss

Reflect Band

-40 to 85

0.25

1.4 x 1.4 x 1.0

Insertion Loss

Example Performance

Long pass filter at high angle of incidence with divergent beam collimation in 3 wavelength system

0

10

20

30

40

50

60

70

80

90

100

1200

1250

1300

1350

1400

1450

1500

1550

1600

Wavelength (nm)

T ave

T s

T p

R ave

Rs

Rp